/Engine/Plugins/Experimental/RenderGrid/Source/RenderGrid/Public/RenderGrid/RenderGridManager.h
Gets the rendered preview frame (of a rendering in which the frame number was specified).
[UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * GetSingleRenderedPreviewFrame ( [URenderGridJob](API\Plugins\RenderGrid\RenderGrid\URenderGridJob) * Job, [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * ReusingTexture2D, bool & bOutReusedGivenTexture2D )